Dimensions (L × W × H). 52.5 × 50.1 × 12.7 mm. Weight. 46 g. Case and bezel material. Resin. Band. Resin band. Water resistance. Water resistance up to a depth of 10 bar. Power supply and battery life. Solar powered charging. Exterior. Glass. Mineral glass. Compatible band size. 145 to 215 mm. Watch functions. World time. World time. With 31 time zones (48 cities + coordinated universal time), daylight saving on/off and local city/world time swapping. Stopwatch. 1/100-second stopwatch Measuring capacity: 59´59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times. Timer. Countdown timers can be used for interval training that alternate between two different paces. Measuring unit: 1 second. Input range: 00´05" to 99´55" (1-minute increments and 5-second increments) Other: Auto-repeat . Alarm / hourly time signal. 5 daily alarms. Hourly time signal. Illumination. LED light Selectable illumination duration (1.5 or 3 seconds), auto light. Light color. LED: Amber. Calendar. Full auto-calendar (to year 2099). Mute function. Button operation tone on or off. Power saving function. Power saving (display goes blank to save energy when watch is left in the dark). Battery level indicator / charge alert. Battery charge indicator. Run time. Approximate battery operating time: 10 months on rechargeable battery (period of operation with normal use without exposure to light after charge). 23 months on rechargeable battery (period of operation when stored in total darkness with the power saving function turned on after full charge). Accuracy. Accuracy: ±30 seconds per month. Other options. Regular timekeeping: Analog: 2 hands (Hour and minute, hands move every 20 seconds). Digital: Hour, minutes, seconds, p.m., month, date, day of the week in 6 languages